1345681-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1345681-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,6,8 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1345681-71:
(9*1)+(8*3)+(7*4)+(6*5)+(5*6)+(4*8)+(3*1)+(2*7)+(1*1)=171
171 % 10 = 1
So 1345681-71-1 is a valid CAS Registry Number.